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Re: Python 3.5 EOL; when can require 3.6?


From: Warner Losh
Subject: Re: Python 3.5 EOL; when can require 3.6?
Date: Thu, 17 Sep 2020 09:42:45 -0600



On Thu, Sep 17, 2020 at 9:37 AM Markus Armbruster <armbru@redhat.com> wrote:
Thomas Huth <thuth@redhat.com> writes:

> On 16/09/2020 16.00, Thomas Huth wrote:
>> On 16/09/2020 14.30, Peter Maydell wrote:
>>> On Wed, 16 Sep 2020 at 08:43, Markus Armbruster <armbru@redhat.com> wrote:
>>>> We require Python 3.5.  It will reach its "end of life" at the end of
>>>> September 2020[*].  Any reason not to require 3.6 for 5.2?  qemu-iotests
>>>> already does for its Python parts.
>> [...]
>>> The default should be
>>> "leave the version dependency where it is", not "bump the version
>>> dependency as soon as we can".
>>
>> OTOH, if none of our supported build systems uses python 3.5 by default
>> anymore, it also will not get tested anymore, so bugs might creep in,
>> which will of course end up in a bad experience for the users, too, that
>> still try to build with such an old version. So limiting the version to
>> the level that we also test is IMHO very reasonable.
>>
>> Let's have a look at the (older) systems that we support and the python
>> versions according to repology.org:
>> - FreeBSD Ports : >= 3.5.10 - but there is also 3.6 or newer

FreeBSD Ports can specify, on a per-port basis, which version of Python to use:

USES= python:3.6+

So we're good there for all supported FreeBSD versions (11.x, 12.x and -current).

Warner

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